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Finding the Third Proportional to 11,534 and 15,884

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Solution

The third proportional to 11,534 and 15,884 is: 21,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534 : 15,884 = 15,884 : x
  2. Step 2: Convert to fraction form
    11,534/15,884 = 15,884/x
  3. Step 3: Cross multiply
    11,534x = 15,884 × 15,884
  4. Step 4: Simplify right side
    11,534x = 252,301,456
  5. Step 5: Solve for x
    x = 252,301,456/11,534
  6. Step 6: Final answer
    x = 21,874.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.